:root{--navy:#17243b;--navy-2:#223653;--teal:#216f6b;--teal-dark:#195c59;--teal-soft:#dcebe8;--cream:#f7f2e7;--paper:#fffdf9;--amber:#e7a33b;--amber-soft:#f6e5bd;--coral-soft:#f3d9cc;--line:#d5e5e1;--muted:#536173;--shadow:0 20px 54px #17243b1a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:radial-gradient(circle at 10% 4%, #fffffff0, transparent 25rem), var(--cream);color:var(--navy);text-rendering:optimizelegibility;margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,YuGothic,Noto Sans JP,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,summary,select{cursor:pointer}img{max-width:100%;height:auto}::selection{background:var(--amber-soft);color:var(--navy)}.skip-link{z-index:100;background:var(--navy);color:#fff;border-radius:10px;padding:10px 16px;font-weight:800;transition:transform 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span{font-size:1.5rem;font-weight:900;transform:translateY(-2px)rotate(90deg)}.desktop-nav{align-items:center;gap:clamp(24px,3.2vw,52px);font-size:.98rem;font-weight:700;display:flex}.desktop-nav a{border-bottom:2px solid #0000;padding:14px 0 10px;transition:border-color .18s,color .18s}.desktop-nav a:hover,.desktop-nav a:focus-visible{color:var(--teal);border-color:var(--teal);outline:none}.mobile-menu{display:none;position:relative}.hero{grid-template-columns:minmax(0,1.04fr) minmax(450px,.96fr);align-items:start;gap:clamp(42px,5.5vw,76px);width:min(1320px,100% - 64px);margin:4px auto 0;padding:44px 0 58px;display:grid}.hero-copy{padding-top:20px;animation:.52s both fade-up}.hero-context{flex-wrap:wrap;gap:9px;margin-bottom:20px;display:flex}.hero-context span{color:var(--teal-dark);letter-spacing:.04em;background:#fffdf9cc;border:1px solid #216f6b33;border-radius:999px;padding:8px 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var(--teal);width:30px;height:30px;color:var(--teal);border-radius:50%;place-items:center;font-weight:900;display:grid}.category-strip{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffdf9e6;border:1px solid #267c7826;border-radius:26px;grid-template-columns:repeat(5,1fr);margin-top:0;padding:18px 16px;display:grid;box-shadow:0 10px 30px #17243b14}.hero-categories{width:min(1120px,100% - 48px);margin:0 auto}.category-item{text-align:center;border-right:1px solid #dce5e5;flex-direction:column;align-items:center;gap:5px;min-width:0;padding:4px 10px;display:flex}.category-item:last-child{border-right:0}.category-icon{width:37px;height:37px;color:var(--teal);place-items:center;display:grid}.category-icon svg{fill:none;stroke:currentColor;stroke-width:2.8px;stroke-linecap:round;stroke-linejoin:round;width:100%;height:100%}.category-item strong{font-size:.86rem}.category-item 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solid var(--teal);width:42px;height:42px;color:var(--teal);border-radius:50%;place-items:center;margin-bottom:20px;font-weight:900;display:grid}.how-grid strong{font-size:1.1rem;display:block}.how-grid p{color:var(--muted);margin:12px 0 0;line-height:1.8}.rolling-section{background:#fffdf9c7;border:1px solid #267c7821;border-radius:38px;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(42px,7vw,88px);width:min(1180px,100% - 48px);margin:0 auto 128px;padding:22px;display:grid;box-shadow:0 18px 42px #17243b12}.rolling-section figure{margin:0}.rolling-section img{aspect-ratio:4/3;object-fit:cover;border-radius:28px;width:100%;display:block}.rolling-section>div{padding:30px 42px 30px 0}.rolling-section>div>p:not(.section-kicker){color:var(--muted);margin:24px 0 0;line-height:1.95}.rolling-section ul,.article-body ul,.prose-page ul{gap:10px;margin:24px 0;padding:0;list-style:none;display:grid}.rolling-section li,.article-body li,.prose-page li{padding-left:28px;line-height:1.75;position:relative}.rolling-section li:before,.article-body li:before,.prose-page li:before{content:"✓";color:var(--teal);font-weight:900;position:absolute;left:0}.text-link{color:var(--teal);text-underline-offset:6px;align-items:center;gap:10px;font-weight:850;-webkit-text-decoration:underline #267c7852;text-decoration:underline #267c7852;display:inline-flex}.text-link:hover{color:var(--teal-dark);text-decoration-color:currentColor}.power-calculator{background:var(--navy);color:#fff;grid-template-columns:minmax(320px,.86fr) minmax(560px,1.14fr);align-items:start;gap:clamp(46px,7vw,92px);padding:112px max(24px,50vw - 590px);display:grid}.power-copy>p:not(.section-kicker){color:#d8e2eb;margin:22px 0 30px;line-height:1.9}.power-copy .section-kicker{color:#8bd1cd}.power-illustration{aspect-ratio:4/3;border-radius:28px;margin:0;overflow:hidden;box-shadow:0 18px 38px #0003}.power-illustration img{object-fit:cover;object-position:center;width:100%;height:100%;display:block}.power-tool{background:#ffffff14;border:1px solid #ffffff21;border-radius:30px;padding:34px}.power-settings{grid-template-columns:1fr 1fr;gap:13px;display:grid}.power-days{justify-content:space-between;align-items:center;gap:16px;display:flex}.power-days label{font-size:.84rem;font-weight:800}.device-list{gap:9px;margin-top:24px;display:grid}.device-row{background:#ffffff0f;border:1px solid #ffffff1a;border-radius:16px;grid-template-columns:minmax(138px,1fr) 72px 106px 106px;align-items:center;gap:10px;min-height:74px;padding:12px 14px;display:grid}.device-toggle{align-items:center;gap:10px;display:flex}.device-row>label:not(.device-toggle){grid-template-columns:1fr auto;align-items:center;column-gap:5px;display:grid}.device-row>label:not(.device-toggle)>span{color:#aebdca;grid-column:1/-1;margin-bottom:4px;font-size:.62rem}.device-row input[type=number]{color:#fff;background:#00000029;border:1px solid #ffffff29;border-radius:9px;width:100%;min-width:0;padding:9px;font-weight:800}.device-row input:disabled{opacity:.42}.device-row small{color:#aebdca;font-size:.65rem}.power-result{color:var(--navy);background:#fff;border-radius:21px;flex-direction:column;gap:7px;margin-top:22px;padding:25px;display:flex}.power-result>span{color:var(--teal);font-size:.75rem;font-weight:850}.power-result strong{font-size:clamp(1.75rem,3.5vw,2.75rem)}.power-result p,.power-result small{color:var(--muted);margin:0;font-size:.75rem;line-height:1.6}.power-caution{color:#b8c5d0;margin:16px 3px 0;font-size:.69rem;line-height:1.7}.guides-section{width:min(1180px,100% - 48px);margin:0 auto;padding:128px 0}.guide-heading{justify-content:space-between;align-items:flex-end;gap:34px;display:flex}.guide-grid{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:54px;display:grid}.guide-card{background:var(--paper);border:1px solid #267c7821;border-radius:27px;flex-direction:column;min-height:320px;padding:28px;transition:transform .18s,box-shadow .18s;display:flex;position:relative}.guide-card:hover{transform:translateY(-4px);box-shadow:0 18px 35px #17243b1a}.guide-number{color:#267c7859;letter-spacing:.12em;font-size:.77rem;font-weight:900}.guide-label{background:var(--teal-soft);width:fit-content;color:var(--teal-dark);border-radius:999px;margin-top:32px;padding:7px 11px;font-size:.68rem;font-weight:850}.guide-food .guide-label,.guide-stock .guide-label{background:var(--amber-soft);color:#805515}.guide-toilet .guide-label,.guide-pet .guide-label{background:var(--coral-soft);color:#7d4d3b}.guide-power{background:var(--navy-2);color:#fff}.guide-power p{color:#c9d4de!important}.guide-card h3{margin:17px 0 0;font-size:1.24rem;line-height:1.55}.guide-card p{color:var(--muted);margin:12px 0 0;font-size:.86rem;line-height:1.75}.guide-arrow{width:40px;height:40px;color:var(--teal);border:1px solid #267c7840;border-radius:50%;align-self:flex-end;place-items:center;margin-top:auto;font-weight:900;display:grid}.guide-power .guide-arrow{color:#fff;border-color:#ffffff47}.shopping-principle{background:var(--teal-soft);padding:112px max(24px,50vw - 560px)}.shopping-principle>div:first-child{max-width:740px}.principle-grid{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px;display:grid}.principle-grid article{background:#ffffffb3;border-radius:24px;padding:29px}.principle-grid span{color:var(--teal);font-size:.72rem;font-weight:900}.principle-grid strong{margin-top:19px;font-size:1.08rem;display:block}.principle-grid p{color:var(--muted);margin:10px 0 0;line-height:1.75}.faq-section{width:min(900px,100% - 48px);margin:0 auto;padding:128px 0}.faq-list{border-top:1px solid #267c7833;margin-top:50px}.faq-list details{border-bottom:1px solid #267c7833}.faq-list summary{padding:24px 54px 24px 8px;font-size:1.04rem;font-weight:850;line-height:1.6;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";border:1px solid var(--teal);width:34px;height:34px;color:var(--teal);border-radius:50%;place-items:center;display:grid;position:absolute;top:50%;right:7px;transform:translateY(-50%)}.faq-list details[open] summary:after{content:"−";background:var(--teal);color:#fff}.faq-list details p{color:var(--muted);margin:-3px 0 0;padding:0 54px 25px 8px;line-height:1.9}.closing-cta{background:var(--navy);color:#fff;text-align:center;border-radius:35px;width:min(1120px,100% - 48px);margin:0 auto 120px;padding:76px 34px;position:relative;overflow:hidden}.closing-cta:before,.closing-cta:after{content:"";border:1px solid #ffffff14;border-radius:50%;width:260px;height:260px;position:absolute}.closing-cta:before{top:-120px;left:-110px}.closing-cta:after{bottom:-150px;right:-90px}.closing-cta 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